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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 789 · 40 sums
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The method (Walk the number line): On a number line, the number further right is bigger: −3 > −8, and every negative number is smaller than 0. Same signs: add the sizes and keep the sign. Different signs: subtract the smaller size from the bigger and keep the sign of the bigger size. Taking away more than you have goes below 0: 5 − 12 = −7. Roman numerals: add the values, but a smaller numeral before a bigger one is taken away — IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900.

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  1. 1.On a number line, start at −15 and move 9 steps to the right. Where do you land? (a) 6 (b) −6 (c) −24
  2. 2.On a number line, start at −2 and move 2 steps to the left. Where do you land? (a) 4 (b) 0 (c) −4
  3. 3.What number is the Roman numeral XVIII?
  4. 4.What is (−22) + 23? =
  5. 5.How is 170 written in Roman numerals? (a) CLXXX (b) CLXX (c) CLXIX
  6. 6.On a number line, start at −13 and move 8 steps to the left. Where do you land? (a) −21 (b) −5 (c) 21
  7. 7.What is 13 − 20? (a) −33 (b) 7 (c) 33 (d) −7
  8. 8.What is (−20) + 1? (a) 21 (b) 19 (c) −19 (d) −21
  9. 9.Which is bigger: −5 or −16? (a) −5 (b) −16
  10. 10.At night the temperature in Tawang was −8 °C. By noon it had gone up by 13 °C. What was the temperature at noon (in °C)?
  11. 11.What is (−20) + 2? (a) 18 (b) 22 (c) −22 (d) −18
  12. 12.What is 26 + (−19)? =
  13. 13.What is (−9) + 8? (a) −17 (b) 1 (c) 17 (d) −1
  14. 14.How is 10 written in Roman numerals? (a) XX (b) X (c) IX
  15. 15.What number is the Roman numeral XLIV?
  16. 16.What is (−24) + 46? =
  17. 17.What is (−12) + 8? (a) −4 (b) 20 (c) 4 (d) −20
  18. 18.What is (−18) + 32? =
  19. 19.At night the temperature in Leh was −7 °C. By noon it had gone up by 18 °C. What was the temperature at noon (in °C)?
  20. 20.Which is smaller: −3 or −9? (a) −9 (b) −3
  21. 21.What is 1 − 2? (a) −1 (b) 3 (c) −3 (d) 1
  22. 22.Which is smaller: −11 or 5? (a) 5 (b) −11
  23. 23.How many integers are there between −9 and 6? (Do not count −9 and 6 themselves.)
  24. 24.What is (−16) + 39? =
  25. 25.How is 465 written in Roman numerals? (a) CDLXV (b) CCCCLXV (c) CDLXIV
  26. 26.What is 44 + (−26)? =
  27. 27.How is 34 written in Roman numerals? (a) XXXIV (b) XXXIIII (c) XXXIII
  28. 28.What is 41 + (−20)? =
  29. 29.What is (−4) + 2? (a) −2 (b) −6 (c) 2 (d) 6
  30. 30.Which is bigger: 5 or −15? (a) 5 (b) −15
  31. 31.What is 33 + (−29)? =
  32. 32.What is (−27) + 35? =
  33. 33.At night the temperature in Srinagar was −4 °C. By noon it had gone up by 23 °C. What was the temperature at noon (in °C)?
  34. 34.On a number line, start at −5 and move 3 steps to the left. Where do you land? (a) −2 (b) 8 (c) −8
  35. 35.How many integers are there between −3 and 1? (Do not count −3 and 1 themselves.)
  36. 36.Which is bigger: −9 or 17? (a) −9 (b) 17
  37. 37.How is 998 written in Roman numerals? (a) DCCCCLXXXXVIII (b) CMXCVII (c) CMXCVIII
  38. 38.What number is the Roman numeral IX?
  39. 39.How is 313 written in Roman numerals? (a) CCCXII (b) CCCXXIII (c) CCCXIII
  40. 40.How many integers are there between −5 and 4? (Do not count −5 and 4 themselves.)

Answer key

  1. −6
  2. −4
  3. 18
  4. 1
  5. CLXX
  6. −21
  7. −7
  8. −19
  9. −5
  10. 5
  11. −18
  12. 7
  13. −1
  14. X
  15. 44
  16. 22
  17. −4
  18. 14
  19. 11
  20. −9
  21. −1
  22. −11
  23. 14
  24. 23
  25. CDLXV
  26. 18
  27. XXXIV
  28. 21
  29. −2
  30. 5
  31. 4
  32. 8
  33. 19
  34. −8
  35. 3
  36. 17
  37. CMXCVIII
  38. 9
  39. CCCXIII
  40. 8

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